St. Louis, Missouri

Office Leadership:

Lisa J. Sombart, PE, LEED AP BD+C

Principal, Team Leader

Mazzetti officially expanded into St. Louis on August 1, 2018, via a merger with former William Tao & Associates (WTA). Read more about the merger here. Under the leadership of Principal Lisa Sombart, the St. Louis office is a recognized leader in innovative engineering and energy-efficient building systems with a diverse award winning portfolio in healthcare, labs, and higher education.

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